Bio Lab 7: Unit II

None
Symmetry of a Sponge
radial
Symmetry of a Hydra
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bilateral
symmetry of a planrian
bilateral
symmetry of a clam
bilateral
symmetry of a clamworm/earthworm
no true tissue
Tissue Organization of a Sponge
diploblast
Tissue organization of a hydra
triploblast
tissue organization of a planarian
triploblast
tissue organization of a clam
triploblast
tissue organization of a clamworm/earthworm
acoelomate
type of body cavity of a planarian
coelomate
body cavity of a clam
coelomate
body cavity of a clamwormearthworm
intracellular digestion
Digestive opening of a sponge
1 opening
digestive opening of a hydra
1 opening
digestive opening to planarian
2 openings
digestive opening of a clam
2 openings
digestive cavity of a clamworm/earthworm
water transported through body
circulatory system if a sponge
cell come into contact with water
circulatory system of a hydra
none
circulatory system of a planarian
open; heart, blood vessels, sinuses
circulatory system of a clam
closed; circulation with blood vessels
circulatory system of a clamworm/earthworm
aquatic
sponges habitat
aquatic
hydra’s habitat
aquatic
planarian’s habitat
aquatic
clam’s habitat
clam-aquatic
earth-terrestrial
clamworm/earthworm’s habitat
cell directly across membrane
respiratory organ of a sponge
cells; directly across membrane
respiratory organ of a hydra
cell; directly across membrane
respiratory organ of a planarian
gills
Respiratory organs of a clam
skin/parapodia
respiratory organ of clamworm/earthworm
none
Sponge: Excretory System
sessile
Sponge: Locomotion
spicules/spongin
Sponge: Support System
No
Sponge: Segmentation
No
Sponge: Appendages
None
Sponge: Nervous System
none
Hydra: Excretory System
limited using tentacles
Hydra: Locomotion
water/ hydrostatic skeleton
Hydra: Support System
no
Hydra: Segmentation
tentacle
Hydra: Appendages
No brain/ network of nerves
Hydra: Nervous System
Flame Cells: 2 lateral excretory canals
Planarian: Excretory System
crawling
Planarian: Locomotion
water/ hydrostatic Skeleton
Planarian: Support System
no
Planarian: segmentation
no
Planarian: Appendage
Brain and 2 ventral nerve cords
Planarian: Nervous System
nephridia
Clam: Excretory System
Foot for digging
Clam: Locomotion
shell
Clam: Support System
no
Clam: Segmentation
None
Clam: Appendages
3 ganglia connected by nerves
Clam: Nervous System
nephridia
Clamworm/Earthworm: Excretory system
hydrostatic skeleton
Clamworm/Earthworm: support system
clamworm: swimming/parapodia
earthworm: setae/crawling
Clamworm/Earthworm: Locomotion
yes
Clamworm/Earthworm: segmentation
clamworm: parapodia
earthworm: none
Clamworm/Earthworm: appendages
dorsal brain and ventral nerve cord
Clamworm/Earthworm: nervous system
organisms that consume dead or living material in order to gain organic carbon
heterotrophic
Most poisonous in the world
1 sting can kill 60 adults
Chironex fleckeri (sea wasp)
threadlike structure for defense and capturing prey; barbed at end; contains toxins
(Cnidaria)
nematocyst
Flower-Animals
Anthozoan
first kidney; excretory organ
protonephridium
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